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The TRI-SEN TURBOSAFE 1000048-001

Technical Specifications

Designed to replace a traditional mechanical trip bolt on steam or gas turbines, power turbines, and other rotating equipment. It provides reliable overspeed trip protection for rotating equipment using magnetic speed sensors to determine rotational speed.


  • 2003 (two-out-of-three voting) logic: Meets and exceeds the functional requirements of API 670 (Section 8.4).
  • Easy on-line calibration and test: Each trip setpoint and speed measurement circuit can be calibrated and tested online using an external calibration source.
  • Total response time ≤ 40msec: This is the elapsed time from overspeed detection, through decision-making logic, to initiating the trip signal (output).
  • Wide speed range: 100 to 25,000-RPM, allowing the TurboSafe to protect virtually any turbomachinery train.
  • Redundant power supplies: Accepts one or two external 24 VDC power sources.
  • Accuracy: To 0.02% of speed, the highest measurement accuracy available for overspeed protection.
  • Peak-hold: On highest detected speed stored for event analysis.
  • Enclosure: Available in both a panel mount and a NEMA 4X enclosure.
  • Outputs: Two independent Form-C trip relay outputs.
  • Alarms: Three Form-C alarm relay outputs for each speed unit.
  • Communications: Modbus (slave) RS485 Serial Communications.
Is our price competitive?
Topbrands collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What payment methods do we accept?
We accept 100% T/T (Telegraphic Transfer) before shipping. For items with a lead time, a 30% deposit is required in advance, with the remaining 70% balance due before shipping. If you have an agent in China, please contact us for RMB transfer.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What shipping methods do we use?
We primarily utilize carriers such as FedEx, DHL, UPS, BRE, etc. If you have an account with any of these carriers, you can arrange the shipping yourself. Additionally, we offer free shipping to China freight forwarders.
What is our delivery time?
Typically, delivery takes around 1-3 days after receiving the advance payment. For items with a quoted lead time, delivery will occur as per the specified lead time.
How do we package the goods?
Our packaging process involves multiple layers of protection. Initially, the product is placed in its original box, sealed with a label. Then, we add a layer of bubble wrap to safeguard against collisions during transportation. Finally, all products are securely packed in sturdy boxes for further protection.
How can customers contact us and request a quote?
Customers can inquire via email, WhatsApp, WeChat, Skype, or any preferred communication platform. Simply reach out to us, and we'll promptly provide a quote tailored to your needs.

Topbrands PLC Limited is a top supplier of genuine new PLC and DCS parts, serving over 50 countries globally. We offer high-quality products from renowned brands like Bently Nevada, Honeywell, ABB, and more. With our warehouse in China stocking up to 30,000 pieces, we ensure rapid delivery to meet urgent order needs while maintaining competitive pricing to save our customers' budgets. Learn more...

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